Home / 22,478,021.40-31,019,669.15-12,164,744.50

Finding the Fourth Proportional to 22,478,021.40, 31,019,669.15 and 12,164,744.50

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Solution

The fourth proportional to 22,478,021.40, 31,019,669.15 and 12,164,744.50 is: 16,787,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,021.40 : 31,019,669.15 = 12,164,744.50 : x
  2. Step 2: Convert to fraction form
    22,478,021.40/31,019,669.15 = 12,164,744.50/x
  3. Step 3: Cross multiply
    22,478,021.40x = 31,019,669.15 × 12,164,744.50
  4. Step 4: Simplify right side
    22,478,021.40x = 377,346,349,545,909.31
  5. Step 5: Solve for x
    x = 377,346,349,545,909.31/22,478,021.40
  6. Step 6: Final answer
    x = 16,787,347.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.